Answer:
72.89 degrees
Step-by-step explanation:

Answer:
1) 90
2) 38
Step-by-step explanation:
1) look at the attached diagram
As you can see, the floor and the wall must meet at a 90° angle.
2) Perimeter of office: 10 + 12 + 10 + 12 = 44
Subtract the door and windows' lengths:
44 - 3 - 3 = 38 ft.
4/6 for green and 2/5 for red since first wasn't replaced.
Answer:
Find a common prime factor in each of these pairs of numbers
a.21 and 411
It would be −47 cause 8 * -6 = -48 then (3-2x) = 1 then -48 + 1 = -47 so that’s the answer